Supersymmetric Vacuum Configurations in String Cosmology

Details Supersymmetric Vacuum Configurations in String Cosmology Supersymmetric Vacuum Configurations in String Cosmology

1998-04-28

arxiv.org/abs/gr-qc/9804077v1

Phys.Rev. D59 (1999) 043507

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

4 pages, Latex, 2 figures

Scientific paper

10.1103/PhysRevD.59.043507

We examine in a cosmological context the conditions for unbroken supersymmetry in N=1 supergravity in D=10 dimensions. We show that the cosmological solutions of the equations of motion obtained considering only the bosonic sector correspond to vacuum states with spontaneous supersymmetry breaking. With a non vanishing gravitino-dilatino condensate we find a solution of the equations of motion that satisfies necessary conditions for unbroken supersymmetry and that smoothly interpolates between Minkowski space and DeSitter space with a linearly growing dilaton, thus providing a possible example of a supersymmetric and non-singular pre-big-bang cosmology.

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